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make the flags option actually work

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This commit is contained in:
tildearrow 2022-01-29 00:20:27 -05:00
parent 44649e3ce4
commit b6da7871d4
19 changed files with 208 additions and 68 deletions
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47
src/engine/platform/ay8930.cpp
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@ -33,8 +33,16 @@ void DivPlatformAY8930::acquire(short* bufL, short* bufR, size_t start, size_t l
writes.pop();
}
ay->sound_stream_update(ayBuf,len);
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
if (stereo) {
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i]+ayBuf[1][i];
bufR[i+start]=ayBuf[1][i]+ayBuf[2][i];
}
} else {
for (size_t i=0; i<len; i++) {
bufL[i+start]=ayBuf[0][i]+ayBuf[1][i]+ayBuf[2][i];
bufR[i+start]=bufL[i+start];
}
}
}
@ -377,7 +385,7 @@ void DivPlatformAY8930::reset() {
}
bool DivPlatformAY8930::isStereo() {
return false;
return true;
}
bool DivPlatformAY8930::keyOffAffectsArp(int ch) {
@ -391,12 +399,37 @@ void DivPlatformAY8930::notifyInsDeletion(void* ins) {
}
void DivPlatformAY8930::setFlags(unsigned int flags) {
if (flags) {
chipClock=COLOR_PAL*2.0/5.0;
} else {
chipClock=COLOR_NTSC/2.0;
switch (flags&15) {
case 1:
chipClock=COLOR_PAL*2.0/5.0;
break;
case 2:
chipClock=1750000;
break;
case 3:
chipClock=2000000;
break;
case 4:
chipClock=1500000;
break;
case 5:
chipClock=1000000;
break;
case 6:
chipClock=COLOR_NTSC/4.0;
break;
case 7:
chipClock=COLOR_PAL*3.0/8.0;
break;
case 8:
chipClock=COLOR_PAL*3.0/16.0;
break;
default:
chipClock=COLOR_NTSC/2.0;
break;
}
rate=chipClock/8;
stereo=flags>>6;
}
int DivPlatformAY8930::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {